CVE-2021-33574

CRITICAL

9.8

Description

The mq_notify function in the GNU C Library (aka glibc) versions 2.32 and 2.33 has a use-after-free. It may use the notification thread attributes object (passed through its struct sigevent parameter) after it has been freed by the caller, leading to a denial of service (application crash) or possibly unspecified other impact.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/25/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

debian:debian_linuxfedoraproject:fedoragnu:glibcnetapp:cloud_backupnetapp:e-series_santricity_os_controllernetapp:h300enetapp:h300e_firmwarenetapp:h300snetapp:h300s_firmwarenetapp:h410snetapp:h410s_firmwarenetapp:h500enetapp:h500e_firmwarenetapp:h500snetapp:h500s_firmwarenetapp:h700enetapp:h700e_firmwarenetapp:h700snetapp:h700s_firmwarenetapp:solidfire_baseboard_management_controller_firmware

Weaknesses (CWE)

CWE-416

References

https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJYYIMDDYOHTP2PORLABTOHYQYYREZDD/(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/(cve@mitre.org)

https://security.gentoo.org/glsa/202107-07(cve@mitre.org)

https://security.netapp.com/advisory/ntap-20210629-0005/(cve@mitre.org)

https://sourceware.org/bugzilla/show_bug.cgi?id=27896(cve@mitre.org)

https://sourceware.org/bugzilla/show_bug.cgi?id=27896#c1(cve@mitre.org)

https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJYYIMDDYOHTP2PORLABTOHYQYYREZDD/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RBUUWUGXVILQXVWEOU7N42ICHPJNAEUP/(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202107-07(af854a3a-2127-422b-91ae-364da2661108)

https://security.netapp.com/advisory/ntap-20210629-0005/(af854a3a-2127-422b-91ae-364da2661108)

https://sourceware.org/bugzilla/show_bug.cgi?id=27896(af854a3a-2127-422b-91ae-364da2661108)

https://sourceware.org/bugzilla/show_bug.cgi?id=27896#c1(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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